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Finding the Fourth Proportional to 634,137.30, 874,645.83 and 404,852.22

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Solution

The fourth proportional to 634,137.30, 874,645.83 and 404,852.22 is: 558,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,137.30 : 874,645.83 = 404,852.22 : x
  2. Step 2: Convert to fraction form
    634,137.30/874,645.83 = 404,852.22/x
  3. Step 3: Cross multiply
    634,137.30x = 874,645.83 × 404,852.22
  4. Step 4: Simplify right side
    634,137.30x = 354,102,305,989.24
  5. Step 5: Solve for x
    x = 354,102,305,989.24/634,137.30
  6. Step 6: Final answer
    x = 558,400.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.